CARTRIDGE LID O-RING STAR CLEAR II - 0-366-0

SKU: 0-366-0
Regular price $5.88

Available for pickup at

  • MT Pool Distributor Broward (1) in stock
  • MT Pool Distributor Corporate (14) in stock
  • MT Pool Distributor North (5) in stock
  • MT Pool Distributor South (6) in stock
In stock

The Hayward StarClear II Filter Lid O-Ring O-366 is an essential replacement component that pool service professionals and contractors rely on for maintaining leak-free filtration systems. This premium O-ring ensures optimal performance in StarClear II cartridge filters, preventing costly water loss and maintaining proper system pressure that keeps your clients' pools operating efficiently.

Professional Service Benefits

Designed with a 9-3/16" inside diameter and 3/8" cross section, this O-ring provides the exact fit contractors need for C800 and C1100 StarClear II models. The chemical-resistant construction withstands chlorine, bromine, and UV exposure, reducing callback visits and protecting your service reputation. Easy installation means faster service calls and improved profitability per job.

Why Pool Contractors Choose MT Pools

MT Pools understands that reliable replacement parts are crucial for maintaining your service schedule and customer satisfaction. Our superior customer service ensures you get the right parts when you need them, with bulk pricing that supports your profit margins and keeps your service trucks properly stocked.

Frequently Asked Questions

Is this O-ring compatible with both C800 and C1100 StarClear II models?

Yes, this O-366 replacement O-ring fits both Hayward StarClear II C800 and C1100 cartridge filter models, ensuring versatility for service professionals.

How long does this O-ring typically last in pool applications?

With proper installation, this chemical and UV-resistant O-ring typically provides 12+ months of reliable service, backed by our standard warranty.

Does MT Pools offer bulk pricing for service companies?

Yes, MT Pools provides competitive bulk pricing for pool service companies and contractors, helping you maintain proper inventory levels while maximizing profit margins.

What causes O-ring failure in pool filter systems?

Common causes include chemical degradation, UV exposure, improper installation, and normal wear. This premium O-ring is specifically designed to resist these common failure modes.

Order Today

Keep your service operations running smoothly with reliable replacement parts from MT Pools. Our team provides expert technical support and fast shipping to ensure your success in the field.

• 9-3/16" inside diameter, 3/8" cross section for precise fit
• Compatible with Hayward StarClear II C800 and C1100 models
• Chemical resistant construction withstands chlorine and bromine
• UV resistant materials prevent degradation from sun exposure
• Premium materials ensure long-lasting durability and reliability
• Easy installation reduces service call time
• Creates leak-proof seal preventing water loss
• Maintains proper system pressure and flow
• 12-month warranty for professional confidence
• Genuine Super-Pro replacement quality
• Prevents costly callbacks and maintains service reputation
• Ideal for service truck inventory and bulk stocking